Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e45ac5863908cdc…

MALICIOUS

PDF

43.4 KB Created: 2020-07-31 20:51:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d0747288b7a046e5b68c9c0f5c2c94ef SHA-1: 0faf9ae6fd2619d7c3aaa17b7271766031945264 SHA-256: 9e45ac5863908cdc5dd6f701d99d7475a5b64c931af9803a100355e2ffcc0ad1
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external PDF files, many hosted on Shopify, and one critical link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=rite+temp+thermostat+manual', suggesting a lure to trick users into downloading potentially malicious content. The ML classifier strongly indicates maliciousness.

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=rite+temp+thermostat+manual In PDF document text
    • http://files.confidenceandpoise.com/uploads/1/3/1/8/131856877/6047511.pdfIn PDF document text
    • http://files.colvigconsulting.com/uploads/1/3/1/0/131069819/zegogireruxiroko.pdfIn PDF document text
    • http://files.newmillerdam.info/uploads/1/3/0/7/130739883/pinudejez.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/1/0429/6422/2101/files/73582334633.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0935/1578/files/sidatututoruforowimilupi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9353/2573/files/67093729435.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6656/4507/files/55412280642.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nitupalakisotubawu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5467/8687/files/94843685768.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8673/1671/files/dizififixiduz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9540/0356/files/72703532820.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4417/5013/files/bidefamawipuxes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8733/1481/files/sowazitapovikikijuzisaniw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8439/8246/files/11025977867.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 6

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_off00006c95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C95 5064 bytes
SHA-256: a40718dcc70e920a61ccfd325abbbf44ec58e9457122d2d24ebb0c2ed534219b
font_01_sfnt_off00007d9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D9B 10392 bytes
SHA-256: 0d273ea4e1b9b2aa5814e11a423106029b7246e38e9a28418c81cf787f9ab0df

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