MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=french+to+english+dictionary+apk+free'. This URL is presented within the document body, disguised as a download for a French to English dictionary. The file also contains a large number of external PDF links, many hosted on cdn.shopify.com and static.usrfiles.com, suggesting a link farm or SEO poisoning attempt. The primary malicious intent appears to be redirecting the user to the malicious ttraff.ru domain.
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.ru/pify?keyword=french+to+english+dictionary+apk+free In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/97aff7_4f8930ec051e4c30802ce03cdf4d6f94.pdfIn PDF document text
- https://static.usrfiles.com/ugd/5ad03d_630ccfe0de804749b26f2d5ca71a14a1.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b0c717_cfa35b7a64e546abbc49d178cf80059c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5244/9444/files/50757765587.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6769/5523/files/65884828354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4630/4920/files/51241996752.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rosetotirumeza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7872/9374/files/fediaf_nutritional_guidelines.pdfIn PDF document text
- https://static.usrfiles.com/ugd/21e6f2_44970310c92f4a599855605eb8eff71f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/38955b_f12ee0805fc043eeb367e239180595cb.pdfIn PDF document text
- https://static.usrfiles.com/ugd/23b571_039e2b2c803f45289f93691f7f7ae17b.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1666/7814/files/pamatujamepufujeketojox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2729/1547/files/electro_dynamics_physics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0682/8454/files/21064609618.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4578/9600/files/negagopogazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6171/3813/files/gotokokobunok.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_off00005332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5332 | 15364 bytes |
SHA-256: a412cb2c2541650a7f13ec524238ee85bebd03b460ae5e54095d71a154169e1f |
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font_01_sfnt_off00008481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8481 | 5540 bytes |
SHA-256: 4715bf166d816fc4e8bd6bc15a7fa3e06af38f08c08c6486a346a86e7cb052c9 |
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font_02_sfnt_off00009765.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9765 | 13080 bytes |
SHA-256: 38bf2c4517178b648a6c475b87d36e8b1df7d8c0d92a48a83583ad871f054ad6 |
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font_03_sfnt_off0000c14e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC14E | 16416 bytes |
SHA-256: cf96631f784379724622ae63351c9d35a5a19c08ac2d66cb149eb318896b45b9 |
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