Malicious PDF — malware analysis report

Static analysis result for SHA-256 8dc952a69c10e41a…

MALICIOUS

PDF

41.1 KB Created: 2020-08-21 18:08:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d7be073b6440a9031359b7cf1e9f4739 SHA-1: ea5e48352764f55346d8a87ddfc833750c872c2d SHA-256: 8dc952a69c10e41acce3502ccf86d9bc4e41502fa14a240b91118f1e88c51898
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to deliver a second-stage payload. The document body, though heavily obfuscated, contains the text 'Message alert tone android' and the malicious URL, suggesting a social engineering lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm used to obscure the ultimate destination or to improve search engine ranking for malicious content.

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=message+alert+tone+android In PDF document text
    • http://files.rachelbeckles.com/uploads/1/3/1/3/131380107/2355566.pdfIn PDF document text
    • http://files.flbutterflyeffectboutique.com/uploads/1/3/1/3/131383943/5370686.pdfIn PDF document text
    • http://digef.loddoncommunitygym.com/uploads/1/3/0/7/130738870/zanaduvemamokuzide.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/1/0429/0566/5703/files/19939033198.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3082/1529/files/86829800829.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5826/5238/files/cache_memory_architecture.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3745/6534/files/zokokolijidimojukepone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4828/7912/files/best_mugen_games.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7207/5414/files/mipavajarek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0965/5462/files/aqua_tech_30-_60_filter_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7300/2906/files/gta_vice_city_xbox_one.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3266/6524/files/xowazo.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 7

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_off000063dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63DD 5000 bytes
SHA-256: d211f9afbc9b667d6569f9f6207d1c906fe0a05cd90c2f35484b1c004fadc894
font_01_sfnt_off000074ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74EE 10120 bytes
SHA-256: 94c807a5ad70910d4d29699bddbf33dea3d161969af85d0476b854462a06f5ee

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