MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=positive+buck+boost+converter+pdf, which is used to redirect users to potentially harmful content. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to disguise its malicious nature as a link farm for PDF downloads.
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=positive+buck+boost+converter+pdf In PDF document text
- http://files.dogwalkingpals.com/uploads/1/3/1/6/131606719/75c31b.pdfIn PDF document text
- http://files.theriverrunsthroughus.uk/uploads/1/3/0/8/130814390/luxuzidubum.pdfIn PDF document text
- http://files.willdeandesigns.com/uploads/1/3/1/4/131437421/6096577.pdfIn 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/1/0428/6640/9639/files/70368815595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1330/0647/files/lagozubereler.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/1947_dodge_truck_parts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4361/8969/files/linear_and_nonlinear_functional_analysis_with_applications_ciarlet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7988/3170/files/vodisiwekuvukuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4141/5587/files/11329261463.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5675/1002/files/30526571439.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4927/7845/files/xesejotoxujumikusoxop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9426/9333/files/39917317574.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0127/3750/files/89732718731.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5651/9576/files/16643656702.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7272/4897/files/zuwigadugegazalefuv.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007c14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C14 | 5056 bytes |
SHA-256: 61276b2de0339eca1c5933da15afb61f5262987f428b634af1176d1ef8a5ae39 |
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font_01_sfnt_off00008d54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D54 | 13764 bytes |
SHA-256: 61393b261f8adf7d641f8c2e5b837b787f7af4bca6b9b8bec6c0b958c379e673 |
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font_02_sfnt_off0000b9ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9AB | 16036 bytes |
SHA-256: 35d3440dae1ebc896564e4e6f70ea95aa3a30a1ac603c7fffbb21b68b8b72e2f |
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font_03_sfnt_off0000ce15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE15 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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