MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF contains multiple links to redirector domains and a large number of external PDF links, suggesting a link farm or SEO poisoning attempt. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content is designed to trick users into installing software, likely to facilitate further malicious activity. The embedded URL 'https://ttraff.cc/pify?keyword=pdf+file+reader+filehippo' is flagged as a malicious redirector, reinforcing the social engineering aspect.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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.cc/pify?keyword=pdf+file+reader+filehippo In PDF document text
- http://files.christophertsmith.com/uploads/1/3/2/6/132682471/lotudise.pdfIn PDF document text
- http://files.allrequestdjdave.com/uploads/1/3/1/3/131384401/d31c26.pdfIn PDF document text
- http://kenoga.veldresienterprises.com/uploads/1/3/1/6/131606490/9163356.pdfIn PDF document text
- http://files.frictiongloves.com/uploads/1/3/0/9/130969944/tepujelegu.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/1/0452/7413/6738/files/aql_standard_table.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4062/8120/files/boxisovavet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8646/2620/files/fafiweviw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3786/7680/files/12590030125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8609/4241/files/bipojewobametumonoxofazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4777/8469/files/new_american_bible_catholic_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41718344304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2707/8052/files/bose_321_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8725/0087/files/61889706208.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9902/7611/files/mapabodifogobifo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2383/4011/files/conversor_metros_a_pies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8415/9903/files/how_to_check_mysql_version.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0874/3835/files/murigomosokoxobajeledin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4184/8470/files/surge_arrester_types.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_off00007233.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7233 | 4952 bytes |
SHA-256: 04b8ebda76d7d96956c4b0331e7152b1493172bdb173f086a9d7f49d971cb5c1 |
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font_01_sfnt_off00008304.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8304 | 9776 bytes |
SHA-256: 6ac24ad3f3a2a67c3a69ecf78341ca796e9f72fb17407e4bf253b811735289b2 |
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