MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document contains a malicious redirector link disguised as an 'Accountancy project for class 12 cbse 2020 18 pdf'. This link, https://ttraff.ru/pify?keyword=accountancy+project+for+class+12+cbse+2020+18+pdf, is identified as a critical threat. The document also exhibits characteristics of a link farm, embedding numerous external PDF links, many of which point to potentially malicious or unknown domains. The primary attack vector appears to be social engineering through a deceptive document title, leading users to click on the malicious URL.
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://ttraff.ru/pify?keyword=accountancy+project+for+class+12+cbse+2020+18+pdf.
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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=accountancy+project+for+class+12+cbse+2020+18+pdf In PDF document text
- http://files.sib4sib.org/uploads/1/3/2/7/132741385/dda02c0e0cf1.pdfIn PDF document text
- http://files.ladyccollection.com/uploads/1/3/1/8/131871659/lusubifelig-nekonajuna-ritivuwuw-namero.pdfIn PDF document text
- http://golama.paulabarbercoaching.com/uploads/1/3/0/9/130969972/9389567.pdfIn PDF document text
- http://files.cefdauphin.com/uploads/1/3/0/7/130775897/wofimifirutuvemef.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/1/0430/0223/2983/files/9823991896.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/wafizivedasumosed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9702/2871/files/lopir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6395/7918/files/5e_monster_manual_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5426/6533/files/lebame.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4933/7507/files/raregum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8032/7076/files/luvubanizonom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9465/4632/files/68651223834.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7529/5640/files/kitab_bajuri_jilid_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0935/1578/files/93757408639.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8188/3030/files/catacumbas_de_roma.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_off000075ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75FF | 5976 bytes |
SHA-256: 05e460303bec215b29b4d583d4ea44c010bb87ef2f565b1924bee6c88d86199b |
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font_01_sfnt_off00008a72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A72 | 10352 bytes |
SHA-256: dfe47bba2473c32635925f16dc81faacd86b4ac9243f1c8e9dc409303ac0f125 |
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