Malicious PDF — malware analysis report

Static analysis result for SHA-256 30aa747baefff13f…

MALICIOUS

PDF

57.1 KB Created: 2020-07-31 01:31:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 084d693f7aa41af8b637482244447721 SHA-1: 00f38a6b303c63c9d9fe01064ddf3e27b071bf12 SHA-256: 30aa747baefff13fae0dbd119524ed12069df93143dcf9116dce590ef98d3350
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains multiple heuristics indicating malicious redirector links and a link farm, pointing to the URL https://ttraff.ru/pify?keyword=surgical+apgar+score+pdf. The ML classifier also strongly flagged this PDF as malicious. The document's purpose appears to be to lure users into clicking on these links, which likely leads to a phishing page or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=surgical+apgar+score+pdf In PDF document text
    • http://files.bemisnursery.com/uploads/1/3/0/8/130813841/6102928.pdfIn PDF document text
    • http://files.eklavyadun.org/uploads/1/3/2/6/132682585/tasoxedaxir-pilipusu-nefelut-zifek.pdfIn PDF document text
    • http://files.artofjfr.com/uploads/1/3/1/8/131871602/81afb37afe9.pdfIn PDF document text
    • http://files.makingmathmiracles.com/uploads/1/3/2/7/132710627/jiwefeludujenan_pobabupesamaxi_lirep_mikixotazex.pdfIn PDF document text
    • http://files.hrdcommunications.com/uploads/1/3/1/4/131407708/gafigezoporadepafes.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8358/6966/files/topidonugigugoboji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8731/4585/files/deremobafuvapopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0279/0039/files/60502930165.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0962/2691/files/71286463437.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5623/3638/files/24980097493.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6946/4991/files/96730003944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5366/2883/files/76808791892.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5883/2294/files/meresamewagarujuririk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7673/0533/files/62051037598.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8366/0441/files/24722691689.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1128/4885/files/52331434752.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6759/6184/files/21454699476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1076/8546/files/51179641214.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8793/7179/files/dopufewatalalemizoko.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008648.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8648 3380 bytes
SHA-256: 7d0fe2177e66ae407ae1d5ea2efb91a457689a63467d142d7c38a184dd7073d8
font_01_sfnt_off00009265.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9265 5124 bytes
SHA-256: 5e04fe70d4fd953aab408c336e46174fdd4b8496853ac0e862bd72fe32027788
font_02_sfnt_off0000a3cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA3CD 6092 bytes
SHA-256: 8e02feb7893710afebff5f9fb978590e9512fd30517cc8eae20d4bf1ef507b8b
font_03_sfnt_off0000b39e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB39E 10140 bytes
SHA-256: 1b0969cfc52f032442b20c8bccbe1ec07f41fa2b72db53798eadde251b6be09a

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