MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to a 'zoology book' and the PDF creation tool 'wkhtmltopdf', suggesting a lure to disguise the malicious link. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm or SEO manipulation tactic to drive traffic to the malicious redirector.
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=11th+zoology+book+in+tamil+medium+pdf In PDF document text
- http://loxowiza.emigracing.com/uploads/1/3/1/3/131379578/9597804.pdfIn PDF document text
- http://files.incarnationlutheran.com/uploads/1/3/1/6/131606758/kawurigugamoza-zojegag.pdfIn PDF document text
- http://files.reimagineec.com/uploads/1/3/1/6/131606755/c4c08.pdfIn PDF document text
- http://files.eleftherianoslab.org/uploads/1/3/1/8/131856956/40de4dc055458.pdfIn PDF document text
- http://files.infantmassagenewzealand.org/uploads/1/3/0/7/130738741/xotarelagaxes_mamupuzuda_lajosulufujiz.pdfIn PDF document text
- http://fedorahosted.org/lohitIn 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/1/0433/8535/6449/files/lapaterimunoko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1119/4525/files/92154501384.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72707516801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9739/0244/files/jimisagapinafozatizoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6599/7472/files/87913015640.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/81587660738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9291/8937/files/98332210554.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0866/3456/files/23785821067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71061356311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6880/7586/files/criteria_air_pollutants.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2878/1973/files/etiologi_bronkitis_akut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8827/2807/files/jimewopupex.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0000cd9d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xCD9D | 20188 bytes |
SHA-256: 2bec690fbfc333550c04690057d0eb1b463b0a16a856655a4bdc6e1f509ce84d |
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font_00_sfnt_off0000bafa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAFA | 5496 bytes |
SHA-256: 72c7cd2f00438e8260cfca81ab72730e1f16398cb253f14e5362170301b93308 |
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font_02_sfnt_off0000f913.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF913 | 14284 bytes |
SHA-256: 852a1fa4af9cca354e5bb6d7027818e1306fd22a38183d69482029c97b4e7b5f |
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font_03_sfnt_off00012514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12514 | 2832 bytes |
SHA-256: 9a3e7af0855b0971ed4e960d1afbabbea6ba84bf45843a09ca44cec8f7261173 |
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