MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains numerous embedded links, including a critical redirector link to 'ttraff.com'. The document body, though partially corrupted, suggests a lure related to an 'Ib business and management syllabus 2020 pdf'. The presence of a link farm and a malicious redirector indicates an attempt to lead the user to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted from this sample.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=ib+business+and+management+syllabus+2020+pdf In PDF document text
- http://files.komunitiruqyahsyariyyahsingapura.com/uploads/1/3/0/7/130739288/kazafavitovonizuvuva.pdfIn PDF document text
- http://files.lafayetteorchestra.org/uploads/1/3/1/1/131163666/2609410.pdfIn PDF document text
- http://files.getontheice.com/uploads/1/3/1/8/131871494/6523197.pdfIn PDF document text
- http://files.dcgymnastics.shop/uploads/1/3/0/7/130775701/lokopezuweluge.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/1/0430/6308/3170/files/27977541438.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7852/4831/files/62868116545.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5552/9640/files/html_link_to_bookmark.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6262/4417/files/fopiwonogujakofutego.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7325/7116/files/92548610742.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0373/9294/files/42444944848.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2898/7547/files/ratoxivuwivir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7016/8986/files/dmv_form_262.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2841/4618/files/84380003698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6743/9264/files/5747077113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2548/1379/files/alpha_amylase_inhibitory_activity.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_off00007008.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7008 | 5720 bytes |
SHA-256: 30f2f77f43e8fde44a430ef7a17110ceae8cf3f1ad6a03c39fc2147688ae5853 |
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font_01_sfnt_off00008374.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8374 | 13968 bytes |
SHA-256: ec58ec5aa47d172204b8549503889013dd29ce9eb854d6b0efd7b9c3c27fe933 |
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