Malicious PDF — malware analysis report

Static analysis result for SHA-256 2224e2772fc322e9…

MALICIOUS

PDF

55.9 KB Created: 2020-08-19 20:25:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 787e1731d86253263c13f6fce71dc19f SHA-1: 277404685a9878e94b1312e00ce45c66f4d2b3d2 SHA-256: 2224e2772fc322e9aa7c14d27c40e06eaf971566f975ab7336beb89d8d8e7087
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in

The PDF contains a large number of external links, many of which point to PDF files hosted on various domains. One of these links, 'https://ttraff.com/pify?keyword=daybreak+series+parents+guide', is identified as a malicious redirector. This suggests the document is designed to lure users into clicking these links, potentially leading them to malicious websites or further malware downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.com/pify?keyword=daybreak+series+parents+guide In PDF document text
    • http://files.carolynamurao.com/uploads/1/3/0/7/130739688/wipugezowomonewi.pdfIn PDF document text
    • http://files.villagesbmwzclub.com/uploads/1/3/0/9/130969235/1be39e0ee0.pdfIn PDF document text
    • http://files.ryleyskelton.com/uploads/1/3/2/7/132740309/zozez.pdfIn PDF document text
    • http://files.carlock-stpauls.org/uploads/1/3/1/0/131070246/mefulegelexobib.pdfIn PDF document text
    • http://leramam.stcyrilorlando.org/uploads/1/3/1/1/131164250/d3db02779e1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0118/3384/files/30393783269.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6585/1542/files/80257821027.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8512/8090/files/68035958959.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0223/1971/files/family_fued_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5794/6522/files/rekoguperosapupob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3544/3871/files/tutupesisig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0935/9520/files/mudarurewujalosokezufelo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6001/0906/files/tajigopuwomemusunoxajojet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4217/7181/files/56745261681.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009b34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B34 5400 bytes
SHA-256: 38710ad240122689377e2ac23a060c9bb5aa08ead6d2a7a2d54f6c2bfed30d82
font_01_sfnt_off0000ada6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xADA6 10864 bytes
SHA-256: 829a7ddea25e59bf37370629e45831d44e8612c8ac36f3629272ef10da6c13e4

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