Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c46e313677919b6…

MALICIOUS

PDF

46.5 KB Created: 2020-08-23 02:00:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 02899088fd693d7440b6695d98d3d1de SHA-1: 36dbafc25c3dd9ff3d086d4d63ca140b14fdd2f6 SHA-256: 5c46e313677919b68fd14ac3c0459babd0e5e7dedb11edb2074d3df162e5f6d7
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified as a redirector for SEO-based phishing. The document body, though obfuscated, contains text related to a guide and includes the primary malicious URL. The ML classifier strongly indicated maliciousness, supporting the heuristic findings of a malicious redirector and a link farm.

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=armored+core+3+op+intensify+guide In PDF document text
    • http://zonerubo.foodsecuritytech.com/uploads/1/3/1/4/131407424/komujixo-puxoduxina-sukateju.pdfIn PDF document text
    • http://files.postcardsfromsurprisingplaces.com/uploads/1/3/1/4/131438459/niderinodi-videdo-vizazapi.pdfIn PDF document text
    • http://files.baptistcenterchurch.org/uploads/1/3/0/8/130874496/2653272.pdfIn PDF document text
    • http://files.collab-corner.com/uploads/1/3/1/0/131071258/64c0f40743.pdfIn PDF document text
    • http://files.eastsidefoodforthought.com/uploads/1/3/1/3/131381881/wolidik.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/1/0436/9560/3865/files/19627337440.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7831/2355/files/61602257981.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1554/4737/files/tunitomokufeti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3878/4158/files/college_physics_4th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2122/2567/files/gamecube_emulator_for_android.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8163/8812/files/4930702095.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0385/3469/files/pufonix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1961/6935/files/xesomibolukedol.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: baptistcenterchurch.org 5 samples

Related samples 4

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_off000076ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76FF 5488 bytes
SHA-256: 5d74e7265f6916b85cec011a292a2bfb49f22fc74adc9df5d82df68c59ad41d7
font_01_sfnt_off0000899f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x899F 10500 bytes
SHA-256: 9c068bf4f4d34c60dc217a9a119d21a4c43e5f7f81b2edd721f2ea7d346d0d97

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