Malicious PDF — malware analysis report

Static analysis result for SHA-256 a452882cda972e05…

MALICIOUS

PDF

55.6 KB Created: 2020-08-02 00:43:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5e2fc9b9e169514fc6d0039d4405d4ce SHA-1: 886c19e0476e32e662979734cbfa388d1e8611b3 SHA-256: a452882cda972e05119b48b6edb0a92cc3e8e396e50930b9a22d971b9c99c446
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains this URL and other Shopify URLs, suggesting a lure to download further content. The presence of a link farm heuristic further supports the malicious intent of directing users to external resources.

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=elements+of+electromagnetics+5th+edition+pdf In PDF document text
    • http://files.lovingavonlea.com/uploads/1/3/0/7/130738662/letituvabil.pdfIn PDF document text
    • http://files.interactivevideomarketing.net/uploads/1/3/1/3/131380850/xasuvizivut.pdfIn PDF document text
    • http://files.missinternationalaustralia.com.au/uploads/1/3/0/7/130776176/6937123.pdfIn PDF document text
    • http://files.empowerptandwellness.com/uploads/1/3/1/8/131857270/sivefesu.pdfIn PDF document text
    • http://files.murraysfoolsdistilling.com/uploads/1/3/1/4/131453251/togedaf.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/1/0437/4547/6762/files/48895119956.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8886/2614/files/kexoronagutojas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9418/0001/files/77963220445.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4453/4429/files/bufidogare.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4261/1095/files/nutoguxos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5376/8090/files/nusopili.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7089/7824/files/72086404322.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1020/3556/files/soradediwusezap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3848/2332/files/likimogawez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8289/8840/files/nixedagatagekijujowififap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9429/5203/files/37194199569.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5715/1129/files/tewagojok.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.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006050.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6050 5440 bytes
SHA-256: 7fcf8716943c7ecda1a45c8c20da9ac7dc0f00f4ba02f42c6648874e26d146ec
font_01_sfnt_off0000729f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x729F 15472 bytes
SHA-256: c5ddfa512a29adc051ae5bfc09d44e4f32099ac8aa577bc8daf2f3f5e01c439e
font_02_sfnt_off0000a05b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA05B 10004 bytes
SHA-256: 8be988d36b50a29fe217ee323a3fda4ad84389e725805eb178372d67cabea688
font_03_sfnt_off0000c288.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC288 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3