Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c33c6795787607f…

MALICIOUS

PDF

44.0 KB Created: 2020-08-02 01:32:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ba755488bb037bdeae40053aa1370032 SHA-1: de543bd27f6c4aed211c2d88bb45a5f27707cc45 SHA-256: 1c33c6795787607f3790702956561e72218fca54980d3604d3c3017c6b5e507e
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious link, 'https://ttraff.cc/pify?keyword=auto+click+cookie+clicker', is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains this URL and other links, suggesting a social engineering attempt to drive traffic to malicious infrastructure.

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=auto+click+cookie+clicker In PDF document text
    • http://files.muscogeerea.com/uploads/1/3/0/8/130814280/geredafaletulev.pdfIn PDF document text
    • http://files.aroundthesunmontessori.com/uploads/1/3/1/4/131437139/jugefenisatu.pdfIn PDF document text
    • http://files.inspiralnyc.com/uploads/1/3/0/7/130740017/5221655.pdfIn PDF document text
    • http://files.fauxmesticgoddess.com/uploads/1/3/1/8/131856381/gevaxil.pdfIn PDF document text
    • http://files.bethanylutheranrlf.com/uploads/1/3/1/3/131381819/sizumomonogup.pdfIn PDF document text
    • https://github.com/builtinnya/UncannyCooIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6992/1690/files/43739362183.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5760/1943/files/jigote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5771/6119/files/90465125977.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3110/9540/files/jexabuduweged.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2119/5688/files/coleman_tent_air_conditioner.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8984/4631/files/engineering_design_by_dieter_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1954/2434/files/posibubexutanokufufo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8116/9051/files/rovipuniwilesag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7141/4167/files/80366153710.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0533/0083/files/limukuratuteroliraxafowex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5003/2549/files/47613315603.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1220/2389/files/65856634780.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000057b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57B3 4236 bytes
SHA-256: 0c8382f7154e2f08353529d21ea521261470ebe87d868398268d17e70dd260ef
font_01_sfnt_off0000661d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x661D 15276 bytes
SHA-256: a7623c1fa1367ca186ed4c1dc3064f865aad38d4e903616b9105983b080f90d1
font_02_sfnt_off00009523.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9523 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e