Malicious PDF — malware analysis report

Static analysis result for SHA-256 330c64c4a020d4cb…

MALICIOUS

PDF

54.6 KB Created: 2020-08-21 06:29:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 92796b54aba40d903a1c7527976e70b2 SHA-1: f86c77fde5b041bac5b9679992c08e00eb79d7c4 SHA-256: 330c64c4a020d4cb63c4c051e42b961ea5de5681fd710d5a7758deee66de0c3a
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=android+phonegap+tutorial+step+by+step'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, including one hosted on cdn.shopify.com. The document body contains obfuscated text and the malicious URL, suggesting an attempt to lure users into clicking the malicious link under the guise of a tutorial.

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=android+phonegap+tutorial+step+by+step In PDF document text
    • http://files.3brothersforacure.org/uploads/1/3/0/7/130776726/degulelu.pdfIn PDF document text
    • http://files.darvanadoulaservices.com/uploads/1/3/0/7/130775959/godujabu-gowesor-rizofokezopa.pdfIn PDF document text
    • http://files.orlamcdonagh.com/uploads/1/3/2/6/132681308/kunegodiw_safokexulul.pdfIn PDF document text
    • http://files.internationalpeaceconference.org/uploads/1/3/0/7/130740513/xureped_pexowiza_melarasuvozopi.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/1/0437/6517/0334/files/arm_assembly_language_programming_100_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5325/9679/files/csgo_report_bot_commend_bot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/6260/3426/files/alternity_stardrive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4529/8074/files/muvodagiluv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4823/8236/files/jixodogifilikanufimili.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0673/0144/files/anatomical_directional_terms.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0797/5317/files/gafugasapuseto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2666/8952/files/zadarel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1734/6976/files/butrint_imeri_bella.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8015/5290/files/zuvegemexagode.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5338/3833/files/fefetezetilawezugafatejoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6707/9830/files/zokilonutabadorenokizoxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4522/2557/files/visual_studio_keygen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9969/9866/files/rotufovulokebobajifin.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000088df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88DF 5452 bytes
SHA-256: 6148c389a2e740b3a93f8009b03c25d97a5429f906dde54c7de5b6548e41b806
font_01_sfnt_off00009b5f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B5F 15968 bytes
SHA-256: bddaebde8ddf0a461e638a86fef01b6609759e658605c1907b4633d16becaada