MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.cc/pify?keyword=spoken+english+offline+app+free, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to the same URL and a 'spoken english offline app free' keyword, suggesting a lure for users to click the malicious link. The ML classifier also strongly flagged this PDF as malicious.
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.cc/pify?keyword=spoken+english+offline+app+free In PDF document text
- http://files.savorlifenutrition.com/uploads/1/3/0/7/130775402/muruzavekelewe.pdfIn PDF document text
- http://files.kara-hume.com/uploads/1/3/1/3/131382841/d32249a01b.pdfIn PDF document text
- http://zubera.meredithbuckleycostumecreator.com/uploads/1/3/0/7/130776257/remuniliv_pufuzab.pdfIn PDF document text
- http://files.david-jones-society.org/uploads/1/3/0/8/130814642/dixagululekivex_tekixomixe.pdfIn PDF document text
- http://pavumiba.marleysk9kitchen.com/uploads/1/3/2/7/132712358/1122616.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/1/0454/5862/0574/files/bugamaduwozodalovedimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9878/4422/files/karmakshetra_bengali_paper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8360/4903/files/53335641716.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4541/2245/files/engineering_economy_7th_edition_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3846/5435/files/the_hangover_full_movie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6652/2790/files/75990990491.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6487/6444/files/alignment_telescope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4864/0418/files/xaxulesita.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2816/9375/files/rimexaxosugix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5969/2198/files/minecraft_xaero_s_minimap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4593/6534/files/xizaworevisokiwusol.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_off00006f9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F9B | 5040 bytes |
SHA-256: a52774802b39b4de2c385e9a6e94a6428df8f0dee0abdbc6af872885881fc3e8 |
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font_01_sfnt_off000080a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80A6 | 10412 bytes |
SHA-256: 53031d24ccfe216555c86c3aa86902c3fda2fa55542e5c5a754e3a416495a2cf |
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font_02_sfnt_off0000a431.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA431 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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