MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous embedded links, many of which point to a redirector infrastructure. The document body, though heavily obfuscated, contains text and URLs that suggest a lure for downloading content, likely malicious. The presence of a malicious redirector link and a large number of external PDF links indicates a phishing or spamming campaign aimed at driving traffic to malicious sites.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=arya+samaj+books+pdf+download In PDF document text
- http://files.rightseed.com/uploads/1/3/0/7/130739781/60c22d381c.pdfIn PDF document text
- http://files.georgehi.net/uploads/1/3/2/6/132682048/bujeb_didizetidazipi.pdfIn PDF document text
- http://files.lyonsvolunteers.org/uploads/1/3/0/9/130969634/sorizuvako_zinul_movevesuj_sixituxivid.pdfIn PDF document text
- http://files.dolcevitaspomeranians.com/uploads/1/3/2/6/132682171/45fe172e65.pdfIn PDF document text
- http://files.readingfamilyaid.org/uploads/1/3/1/3/131379276/8e909c3e288d.pdfIn PDF document text
- http://www.aryamantavya.in/wp-content/uploads/2014/04/Dyanand-JIn 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/1/0428/8525/1235/files/vatikekagogotirororibik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1625/6677/files/jegivutibut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8219/5879/files/92693827451.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2331/9715/files/81320038074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9544/8988/files/dazzle_dvc100_drivers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3525/5203/files/vikezizumew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9947/0486/files/who_is_the_addressee_in_a_letter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6415/6575/files/gamoza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3750/8252/files/brinks_lock_reset.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8821/4171/files/ultimate_sweater_machine_pattern_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9978/1275/files/15345322153.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/78162337647.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_off00004ba1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4BA1 | 5648 bytes |
SHA-256: 33211617fc25e20cecdcf97007e59f64739118e770b920fa4ed5aa82462ffa82 |
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font_01_sfnt_off00005edb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EDB | 10408 bytes |
SHA-256: 2c99b548fa4966c141ac3be88dcfa0ece74b9f252ddcbebb708d1566b691a12d |
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