MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.com/pify?keyword=aha+guidelines+acute+pulmonary+embolism'. Another critical heuristic identified a large number of external PDF links, suggesting a link farm. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. The low-severity heuristic for urgency lures provides context for the social engineering aspect.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=aha+guidelines+acute+pulmonary+embolism In PDF document text
- http://files.jeffbeckpersonaltraining.com/uploads/1/3/1/4/131455463/1541304.pdfIn PDF document text
- http://files.radicalrootsherbs.com/uploads/1/3/2/7/132740814/kemosomesipeni-kafuwigaxi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/7034/0772/files/weparidifotokewosumuse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9836/4321/files/social_psychology_kassin_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5216/3482/files/attribution_theory_psychology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2122/1533/files/jolapobijetopexubob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7235/6509/files/4966651679.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2350/6336/files/alter_ego_plus_b2_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0595/9574/files/ropapexuvobudogulofex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7505/2454/files/biblia_ortodoxa_vechiul_testament.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/jenitibefazezekosuvamudar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0165/1105/files/36687044372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7812/3680/files/gasanalepuruki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5665/9617/files/template_ieee_transactions_on_power_electronics.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_off00010782.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10782 | 5600 bytes |
SHA-256: fc8b913404dabeb25ca57d97a89484695b3f09ecad8792aa2052b8d22adf7fa7 |
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font_01_sfnt_off00011a56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A56 | 15576 bytes |
SHA-256: fe55b7b700ddb574e5adb406e67bbbc21336d7c54828d9e4f7897ca3e2c3e52c |
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font_02_sfnt_off00014b19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B19 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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