MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.com. This URL is used in a lure to download a PDF, which itself contains a mass of external links, many of which are SEO-themed. The primary malicious link is https://ttraff.com/pify?keyword=the+human+brain+coloring+book+free+pdf+download, which likely leads to further malicious content or phishing pages. No scripts were extracted from this sample.
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=the+human+brain+coloring+book+free+pdf+download In PDF document text
- http://files.brightonebikes.co.uk/uploads/1/3/1/4/131438046/6496416.pdfIn PDF document text
- http://files.blacklaceandpearls.com/uploads/1/3/1/0/131070845/jobakonejadorogaxuw.pdfIn PDF document text
- http://files.tradelinegenie.com/uploads/1/3/1/6/131636978/wopatirifozup-suxitevakur.pdfIn PDF document text
- http://files.williambmusic.com/uploads/1/3/2/7/132741535/2245940.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/1/0433/5792/9623/files/vexajebexopagiwugox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2299/1007/files/81169880041.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39858795743.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7810/4728/files/20082989642.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/3548/8419/files/python_brute_force.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/jidovujazutaketegego.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4533/9814/files/44356883304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2629/2629/files/fire_emblem_warriors_unlock_lyn.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2335/8358/files/51642747747.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2562/9335/files/c_interview_questions_and_answers_for_freshers_pdf_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3694/9152/files/ppap_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0365/7887/files/barbarian_days_a_surfing_life.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4028/4577/files/82851086711.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_off00004935.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4935 | 5636 bytes |
SHA-256: 0036a972f84a86a1d6da1863cbd76853f459646f5602bfe9949b3a7c02e2344f |
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font_01_sfnt_off00005c3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C3D | 9168 bytes |
SHA-256: 48ac2911ddf9bbe0daedf79681dbc93a54f5ef0731c63949c5bcad5ca972bbe7 |
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