MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, and another flagged the document as a link farm. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=biology+ncert+in+gujarati+pdf, which is likely used to redirect users to malicious content. The presence of numerous shopify.com links suggests an attempt to blend malicious links with seemingly benign ones.
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=biology+ncert+in+gujarati+pdf In PDF document text
- http://files.sarabparks.com/uploads/1/3/1/6/131637385/22b7259635de61.pdfIn PDF document text
- http://wapepedu.unicaninternational.com/uploads/1/3/1/0/131071021/boguranaxopik.pdfIn PDF document text
- http://files.integritypump.com/uploads/1/3/1/3/131384718/jujowo-lifowogoxigex.pdfIn PDF document text
- http://perasetus.randomencounterproductions.com/uploads/1/3/0/7/130775219/8178287.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4038/8758/files/39670609827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7012/8277/files/61570678722.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7342/8888/files/42563425359.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3128/2335/files/31146279138.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4982/9023/files/rewepatunonis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3009/1688/files/apush_textbook_old_amsco.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5373/6348/files/cours_d_anglais_mdical_gratuit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4196/4710/files/27771188635.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0704/1958/files/wiwozakisumopigisufom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5637/3659/files/57268631060.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7317/4680/files/54479113877.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5903401900.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7131/5876/files/binomio_de_newton_ejercicios.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_off0000770c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770C | 5372 bytes |
SHA-256: 704c1eed751d9eb611ad1ac067173bf3c84ae211e6ef76da742252dcf0597d5e |
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font_01_sfnt_off0000896a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x896A | 10440 bytes |
SHA-256: ac7fa9ee281a9abf17c9e14917ae01df3af915f5adfa5b184745defb3de5994a |
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font_02_sfnt_off0000ad32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD32 | 9532 bytes |
SHA-256: ec470fa5bb3a42fcb85964b9e412270ecc226dccbc8c20e9ebd4a74ad346d057 |
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