MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though partially corrupted, suggests a lure related to an economic guide. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of a link to malicious infrastructure, and PDF_SEO_LINK_FARM indicates a large number of external links, likely for SEO manipulation or to obscure the malicious destination. The ML classifier also strongly indicated maliciousness.
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=everyone+s+guide+to+the+south+african+economy+12th+edition+pdf In PDF document text
- http://files.wendycharlton.net/uploads/1/3/0/8/130873783/xedenifogimuzefik.pdfIn PDF document text
- http://lajunerap.whaleswim-tonga.com/uploads/1/3/2/8/132814930/6738335.pdfIn PDF document text
- http://mumus.stevenmarkfriedman.com/uploads/1/3/1/4/131406749/vodutufomafem.pdfIn PDF document text
- http://niteti.nulineeducon.com/uploads/1/3/1/6/131607240/visejutisa_selinetilerexo_zizofenoxagire_josibaxan.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/23158701460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6187/9719/files/ordem_hemiptera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9368/0547/files/rexekagaximozixavidanifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lovukapovilelogitolosir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5811/9334/files/89295259930.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2226/2167/files/76591365202.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8783/7849/files/advanced_vocabulary_synonyms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9964/4314/files/sierra_reloading_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6599/7472/files/pdf_image_to_word_converter_online_free_without_email.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/2465634012.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8845/4559/files/99511432627.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5736/2597/files/rabuwozijolexopotabajim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6803/1143/files/fititotokezemu.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_off000064f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64F7 | 5840 bytes |
SHA-256: f35e226f385363d751e8c86d8e353d9a3e587d13d3a4824850d558e3a57ac7f7 |
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font_01_sfnt_off000078ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78CA | 10524 bytes |
SHA-256: 9acdb126562489af370cdf8846814a6ecf0277dd53c4649db18edccdb7271414 |
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