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 PDF files hosted on various domains, including a known malicious redirector. This indicates a link farm or SEO poisoning tactic designed to drive traffic to malicious infrastructure. The primary malicious URL identified is https://ttraff.com/pify?keyword=ampicillin+mode+of+action+pdf, which is flagged as a 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=ampicillin+mode+of+action+pdf In PDF document text
- http://gujanaku.dogologyct.com/uploads/1/3/0/9/130969242/1299760.pdfIn PDF document text
- http://files.randomaccessmeghann.com/uploads/1/3/1/6/131637635/712a6.pdfIn PDF document text
- http://files.hooosintung.com/uploads/1/3/2/6/132695576/e2198391.pdfIn PDF document text
- http://pifejadaf.2ndnaturedesign.net/uploads/1/3/1/6/131606490/wiranetoj.pdfIn PDF document text
- http://wokevofil.juvemtpleasant.com/uploads/1/3/0/9/130969525/3821054.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/1/0430/8333/3786/files/18863723818.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bugasodaliza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7037/4566/files/45961727744.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2371/8824/files/56557749972.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2821/0073/files/11689601353.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0313/9480/files/10945675885.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3641/6936/files/12th_maths_formulas_list_hsc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doworefobose.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5362/0136/files/adding_worksheets_grade_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7727/0678/files/47083635770.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5199/0691/files/da_form_1970.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3048/5915/files/jaruxunufuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4855/0050/files/titrasi_argentometri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3127/3383/files/amumu_top_build.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_off00007484.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7484 | 5016 bytes |
SHA-256: 979f1edb6d62315b72487fb75e5585ad83694531c253b1e14e0ce440d651bdcb |
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font_01_sfnt_off00008578.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8578 | 11532 bytes |
SHA-256: 3557c798695aaa47a9669c5cc3ce631b7c911692e4786e8eb7d73a752c48fca9 |
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