Malicious PDF — malware analysis report

Static analysis result for SHA-256 f06226cc6837b016…

MALICIOUS

PDF

60.4 KB Created: 2020-08-18 18:00:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cc4b6fa49ebd5ab9502a46e8098e043c SHA-1: 2b4d337f56537edb9c636f6ca0a213d01a32f263 SHA-256: f06226cc6837b0160e5c2d858abc7630ccb8ee925741c3320d8bcf991ef4d915
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to external resources, including a known malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK strongly suggests that the embedded links are intended to lead to malicious infrastructure.

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.ru/pify?keyword=learn+english+pdf+arabic In PDF document text
    • http://gugonavak.evansmossfamilyreunion.com/uploads/1/3/2/6/132682051/gedipabifoniw-panelix-fekonamelunu.pdfIn PDF document text
    • http://files.sheenashah.co.uk/uploads/1/3/0/7/130776661/f45eed738.pdfIn PDF document text
    • http://womixe.bbbbstore.com/uploads/1/3/1/4/131452988/nobetixuv_mijenadumapufin_miwezok_jezonovelepopu.pdfIn PDF document text
    • http://xunugaxi.urjcmunnews.com/uploads/1/3/2/8/132814930/tuxupipu.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/1/0433/4285/6345/files/telugu_calendar_2020_new_jersey.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7790/1214/files/cissp_practice_exam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6992/1690/files/saxuzuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4754/2175/files/geolocation_app_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2758/5430/files/raxowogidobaruweg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9595/5358/files/fofowukalaluxugakunokogu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1026/8068/files/wovufawuxawer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1071/1971/files/65580124403.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8221/9674/files/rulaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7199/6053/files/dukemigegawalanet.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 3

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off0000b278.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xB278 28008 bytes
SHA-256: 7933d91ca8c816ea9638cefc03b56a16158d817339411377aa3c7688badf0179
font_00_sfnt_off00007b47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B47 5496 bytes
SHA-256: b2cdc1df5977cf66008857d373cb5819beba4665d6293b007235b042bccea8f1
font_01_sfnt_off00008de6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DE6 10640 bytes
SHA-256: df5b384d1917e39a0c1e4f239f03dddd68f6c3da9717ac06e2e3dd49a54533c0

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