Malicious PDF — malware analysis report

Static analysis result for SHA-256 80acdb8a62f5542e…

MALICIOUS

PDF

37.5 KB Created: 2020-08-04 23:08:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7f06f3fab5b3d0722a55706f5ebeabcb SHA-1: 67d8f67fe0311329c452ae2f42e840c538ea0f51 SHA-256: 80acdb8a62f5542ef758573c8e9e55bbfaca448385b0d9d9702a69e79fe1af03
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links to external resources, including a known malicious redirector at 'https://ttraff.cc/pify?keyword=h100b+pulse+oximeter+pdf'. This indicates a phishing or malware distribution attempt, likely disguised as a free download lure. The presence of many Shopify links suggests an attempt to blend malicious links with seemingly benign ones. No scripts were extracted, but the PDF structure and embedded links strongly suggest malicious intent.

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.cc/pify?keyword=h100b+pulse+oximeter+pdf In PDF document text
    • http://files.darylgove.com/uploads/1/3/1/3/131398036/3ab36.pdfIn PDF document text
    • http://files.ecoadvantageinc.com/uploads/1/3/2/7/132712222/sipomuvivusuzise.pdfIn PDF document text
    • http://files.simplybalanced3.net/uploads/1/3/1/4/131407469/dapem-nudanirokebar-voputu-gizakoferuk.pdfIn PDF document text
    • http://libep.sogo.cc/uploads/1/3/1/8/131858661/luxonimovida_navewosulibozas_wobosumuni.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/1/0431/0115/9585/files/princeton_review_lsat_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6231/2616/files/20512391367.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xuvoba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5272/8474/files/30614788671.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5590/6967/files/dikorupukirumamuwepigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/wotabere.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0133/9304/files/25068736114.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5969/2198/files/55746714155.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7375/7603/files/19442611220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5721/6678/files/openbsd_vs_freebsd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7245/3797/files/vofibubewuvex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3352/4386/files/lemuwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7235/6514/files/91087920306.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7138/0383/files/bubble_sort_in_c.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
🗂 Part of campaign: simplybalanced3.net 3 samples

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000052c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52C9 5340 bytes
SHA-256: 250ca72008390b1fe4fa8295a6ca3f017bfea5dba21d81b8bad76f40d65f624d
font_01_sfnt_off000064e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64E0 10608 bytes
SHA-256: cc0b26ea6dc95415c6d15199dbe8f1a6e848b4a49488d4f976a43247171fac9e