MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a 'Buffalo airstation whr- hp- g54 manual' and the malicious URL, suggesting a lure to trick users into clicking the malicious link. The presence of numerous other PDF links further indicates a link farm strategy, likely to obscure the 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.com/pify?keyword=buffalo+airstation+whr-+hp-+g54+manual In PDF document text
- http://files.associazionelaghitaninelmondo.com/uploads/1/3/0/7/130775232/bisimejo.pdfIn PDF document text
- http://vokanox.talltechteacher.com/uploads/1/3/2/3/132303382/vojobofok-juxobegoromut-gazol-gevepakilaloro.pdfIn PDF document text
- http://files.smarie94.co.uk/uploads/1/3/1/1/131164311/7233951.pdfIn PDF document text
- http://files.steppingstonetuition.com/uploads/1/3/1/6/131606901/lamijakotuzuzof.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/1/0432/5064/7202/files/careless_whisper_free_piano_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8330/8955/files/bibitupisuwezixazudajul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0195/3952/files/44470992957.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/3154/0391/files/cambridge_igcse_geography_student_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8828/9694/files/54609456376.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5848/7703/files/kiwutib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7503/4520/files/29633238554.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4229/9295/files/4273552355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3318/2886/files/pafoguwakewim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4133/9030/files/super_mario_sound_effects.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/lodobibunubavedazowibi.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005251.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5251 | 5700 bytes |
SHA-256: d8d6e2ca836fa003ccb88b072c4fde3f1e32c3744ed7c79aa9bdfa26dc1ee047 |
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font_01_sfnt_off000065ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65AC | 9932 bytes |
SHA-256: c906036ceeda81f5986b059b124e5659a990e1dfdf67fd7874886e15526d1661 |
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font_02_sfnt_off000087ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87AE | 16196 bytes |
SHA-256: ebd57d2a71d2a95b03cf44eeaee6144b2d4f881d5528b25618ee60816730c40d |
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