Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5323dd370bf2506…

MALICIOUS

PDF

38.9 KB Created: 2020-08-19 18:38:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2a20007a23554f1149e4fa51ff32ccb6 SHA-1: 7c524a1d7b5b826f2e49771a62de9bba3d7e6b6b SHA-256: b5323dd370bf2506c73e730e0d96126f913d53b096f093a09c20f396380c7c32
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 a link farm hosted on Shopify, but one critical link redirects to a known malicious domain (ttraff.ru). The document body, though heavily obfuscated, contains the same malicious URL. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=alaiye+sitralaiye+song+ringtone+free In PDF document text
    • http://janelabot.unfinishedvictory.com/uploads/1/3/2/6/132682076/vonosurupago-zonawukika-xixelimi-tujifotibedux.pdfIn PDF document text
    • http://zoguwoki.medicinemakermama.com/uploads/1/3/0/7/130740013/85609284aaf6d.pdfIn PDF document text
    • http://kodaw.thefrigginstroke.com/uploads/1/3/2/8/132814930/1199230.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/1/0438/0291/9074/files/1455434085.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2063/8632/files/sql_date_format_yyyymmdd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/maharashtra_apartment_ownership_act_1970.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9848/1564/files/46214198557.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4267/6636/files/zilajusavowekijufadafaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2638/9912/files/reference_letter_for_immigration_marriage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3624/5142/files/bodyline_autopsy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8785/4749/files/talespin_theme_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3622/9278/files/32956986244.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3888/4519/files/xexirajitulolov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5843/8039/files/tasha_cobbs_grace.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4112/6565/files/nudukunonise.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 2

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_off00005a82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A82 5024 bytes
SHA-256: fe658b550556a5810bde4cfcd4cc419efb97ae55237b1372fbdaad6e44176512
font_01_sfnt_off00006bb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BB2 10292 bytes
SHA-256: 28ceafe9e3d9b4b4f0b5b24a8573bcade12a8b1b1492e707d15daf59ef37e389

Open this report in the interactive analyzer, or submit your own file for analysis.