MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=bsc+nursing+4th+year+syllabus+pdf+ruhs'. This URL is presented within the document body, disguised as a syllabus, indicating a phishing or social engineering lure. The presence of a large number of external PDF links also suggests a link farm or SEO manipulation tactic to distribute malicious content. No scripts were extracted, but the primary attack vector is 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=bsc+nursing+4th+year+syllabus+pdf+ruhs In PDF document text
- http://files.zohabharwani.com/uploads/1/3/1/0/131070362/bacbd0.pdfIn PDF document text
- http://xalusoruk.dominiquejo.com/uploads/1/3/1/4/131454065/maparudaxi-vozapu-mudogamorufamof.pdfIn PDF document text
- http://sajuko.friendlylightcaralucia.com/uploads/1/3/1/6/131606227/1592394.pdfIn PDF document text
- http://rasojo.balasmontessorischool.com/uploads/1/3/1/6/131636725/6550369.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/1/0428/9835/8432/files/tovetutokukike.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2961/1171/files/57569166593.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dubisetebezurazoxodo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0191/3244/files/jasowutika.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2658/6520/files/adverbs_of_degree.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2159/6834/files/random_ship_name_generator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/2038/1342/files/functional_skills_maths_level_1_past_papers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5936/3478/files/don_t_forget_the_lyrics_game.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5451/1766/files/titoxamob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1566/5826/files/how_to_use_getline_in_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7053/5318/files/if_else_r.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2224/5273/files/banking_awareness_september_2020.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_off00006a19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A19 | 5796 bytes |
SHA-256: 1f8acf9724048661b567f7192ade4eab8f5f2372fe632bfc69f52c5266efc484 |
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font_01_sfnt_off00007dd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DD6 | 9996 bytes |
SHA-256: 49d6a14184fb3b94a50382c43476ede6949d1406f768914d36ac35476e8f49b9 |
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