MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, many pointing to Shopify domains, designed to appear as a programming tutorial. One of the primary links, https://ttraff.com/pify?keyword=bascom+avr+programming+tutorial+pdf, is identified as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign to drive traffic to malicious infrastructure. No scripts were extracted, but the PDF structure and link farm heuristic strongly indicate a malicious intent to redirect users.
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=bascom+avr+programming+tutorial+pdf In PDF document text
- http://files.mrgscience.com/uploads/1/3/0/7/130740053/gatirivij-wabixaja-sefebozeminib.pdfIn PDF document text
- http://files.hypnobabieswithlauren.com/uploads/1/3/1/6/131606256/7324548.pdfIn PDF document text
- http://jatakuzos.minds-eye-marketing.com/uploads/1/3/0/8/130813528/sulefibatanuw.pdfIn PDF document text
- http://files.ponokaiownerrentals.com/uploads/1/3/2/6/132682338/toregoratadusu.pdfIn PDF document text
- http://files.admcclub.com/uploads/1/3/1/4/131453990/2596476.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/1/0431/9775/9648/files/bisilumilugoxejekufowevo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1614/2497/files/tensoactivos_anfoteros.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2289/8584/files/93219898425.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8226/1415/files/rutovaxupolosotuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2210/6271/files/que_es_metabolismo_anabolismo_y_catabolismo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7176/6681/files/gopiwetavokuketigixotode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8008/9760/files/todajugusimoxejomaradax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6924/3549/files/pizixav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3170/7294/files/balancing_chemical_reactions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8421/0583/files/palozadusuxotilazokub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1274/2550/files/judebiberagagijavanimapod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0067/6001/files/lopipope.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_off00007a5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A5D | 5584 bytes |
SHA-256: 43fcb36341c1f565af70172c40011f6e4acf69763e77daf37337fa3f0ad2b278 |
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font_01_sfnt_off00008d45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D45 | 10280 bytes |
SHA-256: 88ba14acecd63823330f72a563e3ace9a9b50ef26e2ee971d6b61c6de5d0f079 |
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