Malicious PDF — malware analysis report

Static analysis result for SHA-256 970fbc7a9c25b37e…

MALICIOUS

PDF

41.4 KB Created: 2020-08-15 06:02:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 964aed55b7027625b9fb5652d2079e9a SHA-1: 0332d1cd0626f50cad840bceddf65157ca3ba634 SHA-256: 970fbc7a9c25b37e1a15187491a24be9b58428e04524592d58acd0628e0a2051
202 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for 'Macromedia freehand mx 10 free', combined with a 'Click here to download' heuristic. This suggests a phishing or social engineering attack aiming to redirect the user to malicious infrastructure via the ttraff.com URL.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=macromedia+freehand+mx+10+free In PDF document text
    • http://files.charlottescot.com/uploads/1/3/1/4/131409305/6259900.pdfIn PDF document text
    • http://lifafewi.breaksticks.pitbullhill.com/uploads/1/3/0/7/130775997/86d21a448a3.pdfIn PDF document text
    • http://tupeb.indiajoneseatery.com/uploads/1/3/2/8/132814930/miribonomugimi.pdfIn PDF document text
    • http://files.artinktown.com/uploads/1/3/1/4/131438419/0ec663bb67.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/1/0427/7328/2983/files/fubalaxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4099/5490/files/87457231543.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6913/6280/files/farron_keep_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2014/7093/files/college_algebra_9th_edition_barnett.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4065/2960/files/jegit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1274/2550/files/kumirugu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3773/6603/files/film_august_rush_2007_sub_indo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3785448733.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8794/6133/files/vafubunala.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6795/7660/files/77367478783.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 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_off00005f3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F3D 5320 bytes
SHA-256: 9689351a4dcae6c0b8b4ea4fd3afb2d8734b07edc75adaf9ee58fd2a9393f24e
font_01_sfnt_off00007131.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7131 12440 bytes
SHA-256: a5a55be3c9515eabe86de12744286c0142d3a41cfd246b93e5fdfb217d549f2b

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