Malicious PDF — malware analysis report

Static analysis result for SHA-256 d19eed9f16ff07ec…

MALICIOUS

PDF

45.5 KB Created: 2020-08-21 12:18:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5a26bdb0d19e751ebb5311136fef85b1 SHA-1: 7c4ab79bf4d879b2cb23054dd27b0b42ef5df0fa SHA-256: d19eed9f16ff07ec9d23e68387f39e99f8a49e546aa1cc7bd11cb2794f20f7cb
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body text, though heavily corrupted, contains keywords related to software downloads and a URL that appears to be a redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites, likely for phishing or malware distribution. The primary malicious URL identified is https://ttraff.ru/pify?keyword=mobogenie+for+pc+latest+version+free.

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=mobogenie+for+pc+latest+version+free In PDF document text
    • http://dewobap.eastviewyearbook.com/uploads/1/3/0/7/130739038/927ed441.pdfIn PDF document text
    • http://files.pinevalleyartisans.com/uploads/1/3/2/6/132682113/xuronapulixaf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4595/2408/files/42701635705.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5934/7618/files/mijatofosojubapixebid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0517/3147/files/physical_chemistry_silbey_solutions_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6009/9222/files/41578880193.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6219/0499/files/wemanixefaro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2170/5124/files/14959382471.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7710/6838/files/temisijurefeme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5195/8947/files/likagisagujezobagulegivuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2950/3908/files/feramomitajubamiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3984/2719/files/probability_sample_space.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7471/4784/files/zafobop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3606/5438/files/abdullah_novel_part_3_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9204/1118/files/plague_inc_zombie_guide_brutal.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000060d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60D4 5176 bytes
SHA-256: 8bef3c51e6e3d777c57752e3623e3bf21a3d5f8ff19a5cb5785a56ac99ae50ec
font_01_sfnt_off00007280.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7280 14648 bytes
SHA-256: 850de892b15951d36763bec4ceeb2fd9a7cf8c25038dd8546183af3f87f27294
font_02_sfnt_off00009b03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B03 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378