MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector at `https://ttraff.com/pify?keyword=learning+php+the+hard+way`. The document body, though heavily obfuscated, also contains this URL and references to other PDFs, suggesting a link farm or phishing lure. The ML classifier strongly indicated maliciousness, and the presence of a redirector link aligns with common phishing and malware distribution tactics.
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=learning+php+the+hard+way In PDF document text
- http://files.vanessamulton.com/uploads/1/3/1/4/131438240/9d9c0b3bf7.pdfIn PDF document text
- http://files.tremaynesolar.com/uploads/1/3/1/6/131606965/zerapev-kobulotabov-tufeduvuj-gufajimejaji.pdfIn PDF document text
- http://files.mineralhillsworkshop.com/uploads/1/3/1/4/131437299/f3656b1c2.pdfIn PDF document text
- http://files.golifeunknown.com/uploads/1/3/0/7/130739508/e65582e.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/1/0433/8630/6710/files/52096646673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2328/6940/files/dewizodoborezuresulalowov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1691/2023/files/41797472370.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0896/6306/files/71338372260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84113106953.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3387/8940/files/suxepapo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4100/5480/files/420841164.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3692/6374/files/zulixidiferezuguranelul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/4772/6753/files/nasm_5th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/somibosoxig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1568/3744/files/82518855028.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3739/9960/files/55137673151.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7047/9766/files/26231112460.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000060de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60DE | 4824 bytes |
SHA-256: 5094a99311c3ceb100d1fda2e8671d2d305ab62725728b010a4a3cdfd857a167 |
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font_01_sfnt_off0000714a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x714A | 12432 bytes |
SHA-256: 2ac461cd225779e5b5e05c57b800ce046b352b58a82987c68e0e0529e7aa53ae |
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font_02_sfnt_off00009a77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A77 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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