MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, many of which point to what appears to be a link farm designed to host other PDFs. One critical heuristic identified a link to a known malicious redirector infrastructure. The document body also contains the malicious URL, suggesting an attempt to lure users to a malicious site. No scripts were extracted from this sample.
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=modal+verbs+obligation+exercises+pdf+with+answers In PDF document text
- http://files.hiredentalstaff.com/uploads/1/3/1/4/131437806/816324.pdfIn PDF document text
- http://rujexoji.maryqueenofireland.com/uploads/1/3/0/7/130776760/347da3525c76c0.pdfIn PDF document text
- http://files.sampsongigharbortherapy.com/uploads/1/3/1/4/131407106/rufasak.pdfIn PDF document text
- http://files.thenaturalway.shop/uploads/1/3/0/9/130969297/2ed928966a2.pdfIn PDF document text
- http://files.qm-upholstery.com/uploads/1/3/0/8/130814124/8203599.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/1/0429/0406/0071/files/59468284532.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6871/8242/files/amazing_facts_prophecy_study_bible.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0632/8995/files/20642338584.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9432/6949/files/bowomoneposuzikilugolowin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/zunajevelosunaka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7278/2489/files/71806140566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1465/8980/files/52745172484.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3153/5509/files/zuginerovizijadupuvutixip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32505595602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8362/0767/files/c_programming_notes_handwritten.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6481/1927/files/javascript_is_array.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3123/2675/files/koxabitisurobaleruded.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3942/4663/files/92828113733.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_off00009931.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9931 | 2828 bytes |
SHA-256: 4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9 |
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font_01_sfnt_off0000a32c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA32C | 5784 bytes |
SHA-256: 8bb6afcf0f55b1937db4ff257b0d4f9e8143243b00156e8b51bc0c07054de2a7 |
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font_02_sfnt_off0000b6f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6F5 | 10120 bytes |
SHA-256: e18be1914fd16166097a671869a09121a4e5aab24165b492ef76ae53c50ee117 |
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