Malicious PDF — malware analysis report

Static analysis result for SHA-256 c27930dca9d6d0a9…

MALICIOUS

PDF

53.3 KB Created: 2020-08-18 14:14:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ce9543fb87ece93118d26936e3ddbed7 SHA-1: 37045ea83f8a68ede30be7648fc1f2567acd29ac SHA-256: c27930dca9d6d0a963f0048b0a6b52a09a3ab2f661c2f02b468fd3c4dc9d9da3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous links designed to redirect users to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The PDF_SEO_LINK_FARM heuristic indicates a large number of these links are part of a link farm, likely for SEO manipulation to drive traffic to malicious sites. The primary redirector URL identified is https://ttraff.com/pify?keyword=aala+re+aala+song++bestwap, which is also listed as an IOC.

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.com/pify?keyword=aala+re+aala+song++bestwap In PDF document text
    • http://files.dillsplace.com/uploads/1/3/1/3/131383727/2009745.pdfIn PDF document text
    • http://files.theresponsiblecapitalist.com/uploads/1/3/1/4/131453615/56fc8690.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6536/0034/files/fe_civil_practice_exam_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9382/6467/files/mejewipux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6332/9446/files/pexaxuwexamupogikifoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8144/0168/files/gatineau_park_winter_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7460/0598/files/rivefamijaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9711/2219/files/84957306550.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5283/3695/files/bolawavekiwaluwuwezuzu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7125/7241/files/ptolemy_geography_english_translation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/3759/4524/files/57196431553.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4215/9257/files/12735791252.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8343/2096/files/masodinafiminuniwololode.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3451/6376/files/78764648728.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 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006b99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B99 5208 bytes
SHA-256: 8809de2f60dc39d95b85578463857069e97fed4904bde6ef0f33af56de5d8c91
font_01_sfnt_off00007d70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D70 16400 bytes
SHA-256: bdebad870e261d2beced9a025be3c68254257ffb120071466ed5cb1ea45745de
font_02_sfnt_off0000b060.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB060 7168 bytes
SHA-256: 952a5dadc03f7d2400e70970f7348b50f8356ce787130af7de6dee622740d064

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