MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=appraisal+answers+for+customer+focus'. The document body, though partially corrupted, contains text related to 'Appraisal answers for customer focus', suggesting a lure to trick users into clicking the malicious link. The presence of a large number of external PDF links also indicates a link farm, likely for SEO poisoning or to obscure the final malicious destination.
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.cc/pify?keyword=appraisal+answers+for+customer+focus In PDF document text
- http://ramibi.labrowncoaching.com/uploads/1/3/1/4/131438003/74c9cfce60ccf7e.pdfIn PDF document text
- http://files.donigianproperties.com/uploads/1/3/2/8/132815008/xoboxe.pdfIn PDF document text
- http://files.balancedforlifeyogatherapy.com/uploads/1/3/1/3/131384636/gaxuretuwanefukid.pdfIn PDF document text
- http://files.americanbuttercupclub.org/uploads/1/3/2/7/132740405/5337151.pdfIn PDF document text
- http://files.bjapre-algebra.net/uploads/1/3/0/7/130775413/fa0131655037ff.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/33374625424.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/0326/1606/files/surgical_anatomy_of_thyroid_gland.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8523/3302/files/slow_carb_diet_food_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5232/5272/files/71628642323.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9639/9269/files/biology_books_for_high_school_students.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0252/6887/files/clinical_trials_terminology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6689/2191/files/icai_ca_final_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9660/4825/files/7942478047.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7009/5521/files/kowabapik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3858/8584/files/38930079294.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6488/5397/files/rokufi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4424/9499/files/92302979367.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_off0000821b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x821B | 5240 bytes |
SHA-256: b6def4b04667125a9ba07b1dd6196da5a6fc32d3e6919adf80fd6e0283481831 |
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font_01_sfnt_off000093e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93E6 | 10088 bytes |
SHA-256: 0c862bb1fa37a90b61f8f4cd1cdc47f9f0bb98e38652acd447d6ffe4b96be060 |
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