MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a large number of embedded links, with one specifically identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL and appears to be part of a link farm strategy, likely to manipulate search engine results or distribute further malicious content.
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.ru/pify?keyword=flounder+fishing+galveston+report In PDF document text
- http://files.thevillagehivebakeryandlocalfoodscollective.com/uploads/1/3/1/6/131637881/146546.pdfIn PDF document text
- http://files.startatravelbusiness.com/uploads/1/3/1/4/131453543/ribopusub_jekefederam_bogofowadoku.pdfIn PDF document text
- http://files.jdalestudio.com/uploads/1/3/1/4/131406390/vuzofikedudakog-jezowoti-wexupazinunu-sagiga.pdfIn PDF document text
- http://nunatoje.bombdudecomics.com/uploads/1/3/0/8/130813747/gevaz.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/1/0437/2260/4695/files/catia_electrical_harness_design_training.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9204741539.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1851/6637/files/active_and_passive_voice_formula_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7022/5574/files/66565493117.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87967576867.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0995/0367/files/70935481798.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3731/9590/files/35146450605.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5504/6037/files/87960262284.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7785/1550/files/sports_heads_soccer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8289/8840/files/history_of_english_novel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4446/8898/files/azure_information_protection.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9690/6659/files/eia_weekly_petroleum_status_report.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_off00006d3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D3B | 5320 bytes |
SHA-256: 5953309396c60f4d96f3f63fb628462390541caba1a4bc9c145290566379e2b6 |
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font_01_sfnt_off00007f59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F59 | 10060 bytes |
SHA-256: e6be914e27cda5fefec3c2a8d7c0164289a53799440dc18b7a41eceabada2475 |
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