MALICIOUS
194
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 indicating a link to known malicious redirector infrastructure. The primary malicious URL identified is 'https://ttraff.com/pify?keyword=brain+train+manual+answers'. Another heuristic identified a PDF link farm, with the first URL pointing to 'https://cdn.shopify.com/s/files/1/0433/1195/6126/files/43685804783.pdf'. The document body is heavily obfuscated and contains the malicious URL, suggesting a lure to external content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=brain+train+manual+answers In PDF document text
- http://files.balikbalangay.com/uploads/1/3/1/4/131452861/zowotivipal.pdfIn PDF document text
- http://files.tackandhorseoman.com/uploads/1/3/1/4/131407737/00e48a.pdfIn PDF document text
- http://vatowinez.quigglecollective.com/uploads/1/3/0/8/130813372/lesobefamusow.pdfIn PDF document text
- http://files.printslinkphila.com/uploads/1/3/1/4/131482892/8978254.pdfIn PDF document text
- http://files.centre5pinbowl.ca/uploads/1/3/1/3/131378779/1743294.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/1/0433/1195/6126/files/43685804783.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9552/3485/files/personal_development_goals_for_work_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tokavurovapipemekimisam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8171/8167/files/zipuvovufipajodipanezejav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1511/7727/files/combinatorial_topology_alexandrov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7098/0247/files/surawul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/davunaxejapezuxipuwuwozom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7042/2180/files/59830789178.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2745/6419/files/dd_form_2981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5267/6773/files/49836418543.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/1/0431/9671/1069/files/31152575740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1038/1208/files/car_insurance_certificate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2799/6565/files/kinovuzobolide.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006626.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6626 | 4972 bytes |
SHA-256: a39ce297882a80eaa3a5177580706417b2a66c877bcf9c90fdf74c707518b562 |
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font_01_sfnt_off000076fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76FE | 10108 bytes |
SHA-256: 1ac300df2aefdf4120d4d88e5d4612a6ed8139523d7c09934b9d989380ab09b8 |
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